The mean of the following frequency
distribution is :
Class Interval | 10-30/30-50 50-70/70-90/90-110)
Frequency 5/6/2/8/9
(a) 50.5 · (b) 70 (c) 66.67 (d) 75
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Answer:
(c) 66.67
Step-by-step explanation:
Sigma (fixi) =2000
Sigma (fi) = 30
mean = 2000/30 = 66.7
FOR TABLE, REFER IMAGE.
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